22
Q9 Plus Bypass ASD/Bypass Box Installation and Operation Manual
•
Use shielded wires or twisted wires for the control circuits.
•
Ensure that the grounding terminals (G/E) of the ASD are securely connected to ground.
•
Connect a surge suppressor to every electromagnetic contactor and relay installed near the ASD.
•
Install noise filters as required.
Connecting the Q9 Plus Bypass ASD
L1
,
L2
,
and
L3
are the three-phase input supply terminals for the
Q9 Plus Bypass ASD/Q9 Plus
Bypass Box
. An AC Reactor may be installed to provide filtering of the three-phase input power to the
Q9 Plus Bypass ASD/Q9 Plus Bypass Box.
T1
,
T2
,
and
T3
are the output terminals of the ASD that connect to the motor. A DC Reactor may be
connected across terminals
PA
and
PO
to provide additional filtering. When not used, a jumper is
connected across these terminals (see
).
Filtering provides an increased line transient immunity and a lower harmonic current.
Connect the input and output power lines of the
Q9 Plus Bypass ASD/Q9 Plus Bypass Box
in
accordance with the type of system being used as shown in
Connect the three-phase input power to the input terminals of the
Q9 Plus Bypass ASD/Q9 Plus
Bypass Box
at the
L1
,
L2
,
and
L3
terminals. Connect the output terminals
T1
,
T2
,
and
T3
of the Q9
Plus Bypass ASD/Q9 Plus Bypass Box
to the motor. The input and output conductors and terminal lugs
used shall be in accordance with the requirements listed in
Cable/Terminal Specifications on pg. 43
Note:
In the event that the motor rotates in the wrong direction when powered up, reverse
any two of the three leads connected to the motor.
If conductors smaller than the recommended sizes are used in parallel for the input or output power,
each branch of the parallel set shall have its own conduit and not share its conduit with other parallel
sets (i.e., place T1A, T2A, and T3A in one conduit and T1B, T2B, and T3B in another conduit).
Note:
National and local codes should be referenced when running more than three
conductors in the same conduit.
Install a molded case circuit breaker (MCCB) or fuse between the three-phase power source and the
ASD in accordance with the
NEC
Article 430
-
102
through
430-111
and the
Fault Current
setting of
the
Q9 Plus Bypass ASD/Q9 Plus Bypass Box
(see F631).
Mounting the Bypass Box
The
Bypass Box
of the
BYP Series
is provided as a separate item from the ASD — the two are shipped
from the factory neither mechanically nor electrically connected. The
Q9 Plus ASD
and the Bypass
Box are installed independently and then connected together.
Install the
Bypass Box
securely onto a vertical surface using the four mounting holes on the top and
bottom of the enclosure as shown in
.
The
Q9 Plus ASD
is then installed as described in the
Q9 Plus ASD Installation and Operation
Manual
(D/N 68249). The
Q9 Plus ASD
is attached to the Bypass Box using the two screws of the
Bypass Box wire chase resulting in the configuration shown in
.
The ambient operating temperature rating for the
Bypass Box
is from 14° to 104° F (-10° to 40° C).
DO NOT
operate the system with the enclosure door open.
Содержание Q9 Plus ASD
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